What is the best color to reflect heat? TL;DR (Too Long; Didn’t Read) The only color that does not attract heat is white because white objects reflect all visible wavelengths of light. Black – the color that absorbs all visible wavelengths of light – attracts the most heat, followed by violet, indigo, blue, green, yellow, […]
Is km a unit of speed?
Is km a unit of speed? The kilometre per hour (SI symbol: km/h; abbreviations: kph, kmph, km/hr) is a unit of speed, expressing the number of kilometres travelled in one hour. Which is not unit of speed? Answer. Explanation: b cannot be the unit of speed. How many Kilometre make an hour? 120km What’s the […]
What simple machine is dominoes?
What simple machine is dominoes? lever Did Rube Goldberg build his machines? A prolific cartoonist and visionary, Rube Goldberg has become more famous for the inventions bearing his name than for his cartoons and political illustrations. Within his comic strips Goldberg created extremely complex machines that were built to perform a simple task. What is […]
How did the conflict between England and the colonies develop?
How did the conflict between England and the colonies develop? How did the conflict between England and the colonies develop? England raised money by taxing the colonists and the colonists protested because they had not agreed to new taxes. Parliament believed that they had absolute power over the colonists because they were English citizens. Why […]
What is the main advantages of using a fuse?
What is the main advantages of using a fuse? 1) It is the cheapest form of protection. 2) It doesn’t need any maintenance . 3) Its operation is completely automatic and requires less time as compared to circuit breakers. 4) The smaller sizes of fuse element impose a current limiting effect under short-circuit conditions. What […]
What does the slope of displacement time graph indicate?
What does the slope of displacement time graph indicate? A sloping line on a displacement-time graph shows that the object is moving. In a displacement-time graph, the slope or gradient of the line, is equal to the velocity of the object. The steeper the line (and the greater the gradient) the faster the object is […]
What is the charge to mass ratio of a proton?
What is the charge to mass ratio of a proton? Alpha particle is a helium nucleus that comprises two protons and two neutrons, and the charge is twice the charge of the proton while the mass is around four times greater. Mass of helium = 4m….Thank you. Related Questions & Answers Breathing Is Controlled By […]
What is a physical standard?
What is a physical standard? A quantitave estimation taken to analyze all of the requirements which must be fulfilled for any production process to take place. For instance, the requirements of the machine, the method of calculating the labor as well as the main method used to determine the standard costs are all known as […]
Which of the following is the best example of one way carbon progresses through the carbon cycle?
Which of the following is the best example of one way carbon progresses through the carbon cycle? carbon dioxide through respiration. Plants take in carbon dioxide and turn it into. carbohydrates during photosynthesis. What human activity produces the greatest amount of carbon dioxide? Main sources of carbon dioxide emissions 87 percent of all human-produced carbon […]
Who is Jennie in the Yellow Wallpaper?
Who is Jennie in the Yellow Wallpaper? Jennie. John’s sister. Jennie acts as housekeeper for the couple. Her presence and her contentment with a domestic role intensify the narrator’s feelings of guilt over her own inability to act as a traditional wife and mother. What is the mental illness in the Yellow Wallpaper? These actions […]